Android调用百度地图api实现定位
几个注意事项：
1.引入包时要注意一定把包外的文件夹一起复制到libs下。
2.SDKInitializer.initialize(getApplicationContext()); 这句话在 setContentView(R.layout.activity_main);前面不加会死人的
3.最好使用demo中libs下的所有文件
4.key一定要正确，不然刷不出地图。具体key申请要看官网说明，必须和包名还有数字签名一致。
5.更换包名一定要再申请遍key
//文件main.java
package com.example.mapbyzj;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;
import com.baidu.mapapi.model.LatLng;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.Window;
public class MainActivity extends Activity {
private LocationClient mLocClient;
private LocationMode mCurrentMode;
public MyLocationListenner myListener = new MyLocationListenner();
BitmapDescriptor mCurrentMarker;
MapView mMapView;
BaiduMap mBaiduMap;
boolean isFirstLoc=true;
//public MyLocationListenner myListener=new My
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
SDKInitializer.initialize(getApplicationContext());
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
mCurrentMode = LocationMode.NORMAL;
mMapView=(MapView)findViewById(R.id.bmapView);
mBaiduMap=mMapView.getMap();
mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
mBaiduMap.setMyLocationEnabled(true);
mLocClient=new LocationClient(this);
mBaiduMap
.setMyLocationConfigeration(new MyLocationConfiguration(
mCurrentMode, true, mCurrentMarker));
mLocClient.registerLocationListener(myListener);
LocationClientOption option=new LocationClientOption();
option.setOpenGps(true);
option.setCoorType("bd09ll");
option.setScanSpan(1000);
mLocClient.setLocOption(option);
mLocClient.start();
}
public class MyLocationListenner implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
// map view 销毁后不在处理新接收的位置
if (location == null || mMapView == null)
return;
MyLocationData locData = new MyLocationData.Builder()
.accuracy(location.getRadius())
// 此处设置开发者获取到的方向信息，顺时针0-360
.direction(100).latitude(location.getLatitude())
.longitude(location.getLongitude()).build();
mBaiduMap.setMyLocationData(locData);
if (isFirstLoc) {
isFirstLoc = false;
LatLng ll = new LatLng(location.getLatitude(),
location.getLongitude());
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
mBaiduMap.animateMapStatus(u);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
protected void onPause() {
mMapView.onPause();
super.onPause();
}
@Override
protected void onResume() {
mMapView.onResume();
super.onResume();
}
@Override
protected void onDestroy() {
// 退出时销毁定位
mLocClient.stop();
// 关闭定位图层
mBaiduMap.setMyLocationEnabled(false);
mMapView.onDestroy();
mMapView = null;
super.onDestroy();
}
}
//文件main.Mainfest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.mapbyzj"
android:versionCode="1"
android:versionName="1.0" >
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >
</uses-permission>
<uses-permission android:name="android.permission.INTERNET" >
</uses-permission>
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="android.permission.WAKE_LOCK" >
</uses-permission>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<!-- SDK1.5需要android.permission.GET_TASKS权限判断本程序是否为当前运行的应用? -->
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
</uses-permission>
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<!-- 这个权限用于进行网络定位-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
<!-- 这个权限用于访问GPS定位-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
<!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位-->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<!-- 获取运营商信息，用于支持提供运营商信息相关的接口-->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<!-- 这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位-->
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
<!-- 用于读取手机当前的状态-->
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<!-- 写入扩展存储，向扩展卡写入数据，用于写入离线定位数据-->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<!-- 访问网络，网络定位需要上网-->
<uses-permission android:name="android.permission.INTERNET" />
<!-- SD卡读取权限，用户写入离线定位数据-->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission>
<!--允许应用读取低级别的系统日志文件 -->
<uses-permission android:name="android.permission.READ_LOGS"></uses-permission>
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="10" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<meta-data
android:name="com.baidu.lbsapi.API_KEY"
android:value="XQRoGlchURwWcv3GPAhXxDsm" />
<activity
android:name="com.example.mapbyzj.MainActivity"
android:configChanges="orientation|keyboardHidden"
android:screenOrientation="portrait"
android:label="@string/app_name"
android:theme="@android:style/Theme.NoTitleBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<supports-screens
android:anyDensity="true"
android:largeScreens="true"
android:normalScreens="false"
android:resizeable="true"
android:smallScreens="true" />
</manifest>